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    <title>Document</title>
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        <tr><th>姓名</th>   <th>性别</th>   <th>年龄</th></tr>
        <tr><td>张三</td>   <td>男</td>   <td>20</td></tr>
        <tr><td>李四</td>   <td>女</td>   <td>22</td></tr>
        <tr><td>王五</td>   <td>男</td>   <td>24</td></tr>
        <tr><td>赵六</td>   <td>女</td>   <td>28</td></tr>
    </table>

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    <table align="center" border="1" cellspacing="0" width="500" height="240">
        <tr>
            <th>排名</th>
            <th>关键词</th>
            <th>趋势</th>
            <th>进入搜索</th>
            <th>最近七日</th>
            <th>相关链接</th>
        </tr>
        <tr>
            <td>1</td>
            <td>鬼吹灯</td>
            <td><img src="images/up.jpg" width="30"></td>
            <td>123</td>
            <td>456</td>
            <td>
                <a href="#">贴吧</a>
                <a href="#">图片</a>
                <a href="#">百科</a>
            </td>
        </tr>
        <tr>
            <td>2</td>
            <td>盗墓笔记</td>
            <td><img src="images/down.jpg" width="30"></td>
            <td>456</td>
            <td>789</td>
            <td>
                <a href="#">贴吧</a>
                <a href="#">图片</a>
                <a href="#">百科</a>
            </td>
        </tr>
        <tr>
            <td>3</td>
            <td>西游记</td>
            <td><img src="images/up.jpg" width="30"></td>
            <td>789</td>
            <td>123</td>
            <td>
                <a href="#">贴吧</a>
                <a href="#">图片</a>
                <a href="#">百科</a>
            </td>
        </tr>
        <tr>
            <td>4</td>
            <td>水浒传</td>
            <td><img src="images/down.jpg" width="30"></td>
            <td>123</td>
            <td>456</td>
            <td>
                <a href="#">贴吧</a>
                <a href="#">图片</a>
                <a href="#">百科</a>
            </td>
        </tr>
    </table>

    <h4 align="center">合并单元格</h4>
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            <td></td>
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